UCC2806M

Frequency - Switching:	47kHz
Base Part Number:	UCC2806
Supplier Device Package:	16-SSOP
Package / Case:	16-SSOP (0.154", 3.90mm Width)
Operating Temperature:	-40°C ~ 85°C (TA)
Control Features:	Current Limit, Enable, Frequency Control
Serial Interfaces:	--
Clock Sync:	No
Synchronous Rectifier:	Yes
Duty Cycle (Max):	50%
Series:	--
Voltage - Supply (Vcc/Vdd):	8 V ~ 14.5 V
Output Phases:	1
Number of Outputs:	2
Topology:	Boost, Flyback, Forward Converter
Output Configuration:	Positive, Isolation Capable
Function:	Step-Up, Step-Up/Step-Down
Output Type:	Transistor Driver
Part Status:	Active
Packaging:	Tube

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UCC2806M Application Field and Working PrincipleThe UCC2806M is an innovative semiconductor integrated circuit that is specifically designed to offer a wide range of features and performance. It belongs to the family of PMIC--Voltage Regulators--DC DC Switching Controllers.The UCC2806M is designed to be utilized as a high power management integrated circuit (PMIC) for extremely efficient multi-phase DC-DC power supplies. It can be used in many types of consumer electronics and home appliances, such as cell phones, notebook computers, DVD players, televisions, digital cameras and other devices.The UCC2806M employs advanced design and construction principles to achieve greater energy efficiency and higher power ratings than traditional DC-DC converters for applications. At its heart, the UCC2806M houses a highly efficient digital controller and two independent high-current switches. This integrated circuit is built to operate at frequencies ranging from several hundred kHz to way over a megahertz. An integrated LCD bias voltage regulator provides an adjustable output voltage. The controller also includes current limit protection and a circle of feedback circuitry to minimize the required external components, as well as a triple-level connecting architecture that reduces clock feedthrough noise. In addition, over-voltage and over-current protection as well as short-circuit protection are all included in the device to ensure high operational safety. The core functionality of the UCC2806M is based on its working principle. The controller is designed to work in conjunction with an oscillator, which is an integral part of the package, and a power switch, which is hooked up to an output voltage sensing resistor. This resistor is used to sense the output voltage of the power supply and compare it to an adjustable reference voltage. Based on the comparison, the controller automatically adjusts the duty cycle of the switch and, as a result, the correct output voltage.The UCC2806M is extremely versatile, and it is capable of being used in a variety of applications due to its combination of capabilities. In addition to its digital controller, it includes two separate high-current switches, LCD bias voltage regulator, current limit protection, a circle of feedback circuitry and a triple-level connection architecture that helps reduce clock feedthrough noise. Moreover, the device features over-voltage and over-current protection as well as short-circuit protection. Its exceptional design, performance and compatibility make it ideal for a wide range of consumer electronics and home appliances.

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